0 reviews
Summary
Dr. Crystal Marshall specializes in internal medicine, focusing on the comprehensive care of adult patients. She earned her medical degree from St. Georges University School of Medicine and brings four years of experience to her practice. Dr. Marshall's clinical expertise centers on managing complex internal medicine conditions with a patient-centered approach.
Dr. Marshall practices at MercyOne North Iowa Medical Center in Mason City, Iowa. She has particular expertise in treating Type 2 diabetes, including diabetes management in children and teenagers. Her practice also addresses mobility issues such as limping and incorporates therapeutic approaches including physical therapy and strength training into patient care plans.
Dr. Marshall practices at MercyOne North Iowa Medical Center in Mason City, Iowa. She has particular expertise in treating Type 2 diabetes, including diabetes management in children and teenagers. Her practice also addresses mobility issues such as limping and incorporates therapeutic approaches including physical therapy and strength training into patient care plans.
Overview based on verified provider data
Quick Facts
- 4 years of experience
- 11 insurance plans accepted
- St Georges University School Of Medicine
- 1 specialty
- 2 office locations
- Female
Office Locations
Dr. Crystal Lynn Marshall has 2 locationsMercyone North Iowa Internal Medicine Residency Clinic
1010 4TH ST SW STE 305MASON CITY, IA 50401 Tel: (641) 428-5700
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Crystal Lynn Marshall | Dr. Jobin Joseph Varghese | Dr. Andrew Charles Sloan | Dr. Tanvi Nitin Deshpande |
| Internal Medicine | Cardiovascular Disease | Physical Medicine & Rehabilitation | Internal Medicine |
| Accepts New Patients | |||
| 4 Years of Experience | 7 Years of Experience | 5 Years of Experience | 7 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| MASON CITY , IA | Mason City , IA | Saint Louis , MO | LOMA LINDA , CA |
| Med School: St Georges University School Of Medicine | Med School: St Georges University School Of Medicine | Med School: St Louis University School Of Medicine | Med School: Krishna Institute Of Medical Sciences |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Crystal Lynn Marshall
Medical Specialties
Dr. Crystal Lynn Marshall has the following specialty
Certifications, License, & Education
4 Years Experience
Education & Training
Medical School
Graduated from St Georges University School Of Medicine in 2022.
NPI Number
Dr. Marshall's NPI number is 1154064731.
Similar Doctors


Dr. Douglas Tom Summerfield, MDPublic Health & General Preventive Medicine20 Years Exp | Mason City, IA






Frequently Asked Questions
- Where is Dr. Crystal Marshall's office located?
- Dr. Crystal Marshall's office is located at 1010 4TH ST SW STE 305, MASON CITY, IA, 50401.
- Does Dr. Crystal Marshall accept my insurance?
- You can see the insurance plans that Dr. Crystal Marshall accepts on their Vitals profile.
- Does Dr. Crystal Marshall accept virtual/telehealth appointments?
- Dr. Crystal Marshall has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Crystal Marshall?
- You can find contact information for Dr. Crystal Marshall here on Vitals.
- Is Dr. Crystal Marshall accepting new patients?
- Dr. Crystal Marshall has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.